모르핀에서 추출되며, 강한 행복감을 유발하여 불법적으로 사용되는 중독성이 높은 진통제.
A highly addictive opioid derived from morphine, typically used illicitly as a narcotic to produce intense euphoria.
예문:
"The widespread use of heroin led to a severe public health crisis in the city."
"Heroin is synthesized from morphine, which is naturally extracted from the opium poppy."
"Authorities intercepted a large shipment of heroin hidden inside commercial goods."